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This paper presents a novel software driven voltage tuning method that utilises multi-purpose Ring Oscillators (ROs) to provide process variation and environment sensitive energy reductions. The proposed technique enables voltage tuning…

Other Computer Science · Computer Science 2015-03-20 Steve Kerrison , Kerstin Eder

Laser diodes with optical feedback can exhibit periodic intensity oscillations at or near the relaxation-oscillation frequency. We demonstrate optoelectronic oscillators based on external-cavity semiconductor lasers in a periodic dynamical…

This paper presents experimental and simulation data to characterize the Ring Oscillators (RO) produced in 65-nm CMOS technology for the next promising generation of readout chips for the pixel detector in the Inner Tracker (ITk) at the…

Instrumentation and Detectors · Physics 2026-01-22 Yahya Khwaira , Abdenour Lounis , Maurice Cohen-Solal , Mohsine Menouni , Pierre Barrillon , Denis Fougeron

Spin-orbit coupling (SOC) is a relativistic effect, where an electron moving in an electric field experiences an effective magnetic field in its rest frame. In crystals without inversion symmetry, it lifts the spin degeneracy and leads to…

This paper introduces on-chip integrated rotary traveling wave oscillators (RTWOs) organized into rotary oscillator array (ROA) bricks as an external perturbation to induce subharmonic injection locking (SHIL) in oscillator-based Ising…

Hardware Architecture · Computer Science 2026-05-28 Nicholas Sica , Baris Taskin

Femtosecond Laser Micromachining (FLM) is a powerful technology for the fabrication of photonic devices. In this context, the integration of resonant elements within the platform represents a key advancement, enhancing both its versatility…

In this letter, the properties of split-ring resonators (SRRs) loaded with high-Q capacitors and nonlinear varactors are theoretically analyzed and experimentally measured. We demonstrate that the resonance frequency $f_m$ of the nonlinear…

Materials Science · Physics 2015-05-13 Bingnan Wang , Jiangfeng Zhou , Thomas Koschny , Costas M. Soukoulis

We demonstrate a nonlinear metamaterial in microwave frequency regime with hysteresis effect and bistable states, which can be utilized as a remotely controllable micro second switching device. A varactor loaded split-ring resonator (SRR)…

Applied Physics · Physics 2017-05-23 Sinhara R Silva , Alexander D Shields , Jiangfeng Zhou

Multi-phase injection-locked ring oscillators (MP-ILROs) are widely used for multi-phase clock generation, with their phase accuracy primarily determined by the inherent accuracy of the oscillator itself, due to the suppression of input…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Zhaowen Wang

We study experimentally the dynamic tunability and self-induced nonlinearity of split-ring resonators incorporating variable capacitance diodes. We demonstrate that the eigenfrequencies of the resonators can be tuned over a wide frequency…

Optics · Physics 2009-11-13 Ilya V. Shadrivov , Steven K. Morrison , Yuri S. Kivshar

We present a passively mode-locked, tunable soliton Ho:fiber ring oscillator, optimized for seeding of Ho:YLF amplifiers. The oscillator is independently tunable in central wavelength and spectral width from 2040 nm to 2070 nm and from 5 nm…

Optics · Physics 2016-06-22 Peng Li , Axel Ruehl , Colleen Bransley , Ingmar Hartl

This work presents a multi-stage coupled ring oscillator based Potts machine, designed with phase-shifted Sub Harmonic-Injection-Locking (SHIL) to represent multi valued Potts spins at different solution stages with os cillator phases. The…

Hardware Architecture · Computer Science 2025-04-16 Yilmaz Ege Gonul , Baris Taskin

We present the controllability capabilities for the limit cycles of an extremely tunable photonic oscillator, consisting of two coupled semiconductor lasers. We show that this system supports stable limit cycles with frequencies ranging…

Optics · Physics 2020-03-18 Yannis Kominis , Anastassios Bountis , Vassilios Kovanis

This paper presents the design, fabrication, and characterization of broadband liquid crystal (LC) reconfigurable intelligent surfaces (RIS) operating around 60 GHz and scaling up to 750 radiating elements. The RISs employ a delay line…

Signal Processing · Electrical Eng. & Systems 2026-01-19 Julia Schwarzbeck , Robin Neuder , Marc Späth , Alejandro Jiménez-Sáez

This paper presents a CMOS-compatible Lechner-Hauke-Zoller (LHZ)--based analog tile structure as a fundamental unit for developing scalable analog Ising machines (IMs). In the designed LHZ tile, the voltage-controlled oscillators are…

Hardware Architecture · Computer Science 2024-11-27 Sasan Razmkhah , Jui-Yu Huang , Mehdi Kamal , Massoud Pedram

The smart integrated systems of tomorrow would demand a combination of micromechanical components and traditional electronics. On-chip solutions will be the ultimate goal. One way of making such systems is to implement the mechanical parts…

Other Computer Science · Computer Science 2008-02-22 O. Soeraasen , J. E. Ramstad

This paper presents a low-area and low-power consumption CMOS differential current controlled oscillator (CCO) for neuromorphic applications. The oscillation frequency is improved over the conventional one by reducing the number of MOS…

Signal Processing · Electrical Eng. & Systems 2020-11-03 Xueyong Zhang , Jyotibdha Acharya , Arindam Basu

We propose a novel method to control the frequency of semiconductor lasers. The new technique allows fabricating three-terminal lasers with fast frequency tuning and the possibility to implement intrinsically the linearization of laser…

Applied Physics · Physics 2025-01-07 B. Laikhtman , G. Belenky , S. Suchalkin

Radio frequency tunable oscillators are vital electronic components for signal generation, characterization, and processing. They are often constructed with a resonant circuit and a 'negative' resistor, such as a Gunn-diode, involving…

Strongly Correlated Electrons · Physics 2016-04-27 A. Stern , D. K. Efimkin , V. Galitski , Z. Fisk , J. Xia

Local scale transformations are made to vary the long range properties of harmonic oscillator orbitals conventionally used in model structure calculations of nuclear systems. The transformations ensure that those oscillator states…

Nuclear Theory · Physics 2009-11-07 S. Karataglidis , K. Amos , B. G. Giraud
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